Universal Battery Checker Tester for AA, AAA, C, D, 9V, and Button Batteries Checks power level of all 1.5V and 9V batteries Easy-to-read, color-coded meter indicates power level Tests 1.5V miniature cells (AA, AAA, C, D) Three-result indication: red = replace, yellow = low power, green = good No external power supply required Quickly determines battery charge status Compact and portable design Measures 1.5V batteries (AA, AAA, C, D) and 9V rectangular batteries Analog pointer directly displays measurement results Indicator colors: Red (REPLACE): Battery is depleted and should be replaced or recharged Yellow (LOW): Battery has low remaining capacity; may still power some devices Green (GOOD): Battery has sufficient charge Color: Black Material: Plastic How to Use: 1. For 9V batteries: Insert into the two test holes on the side, observing correct polarity 2. For 1.5V batteries (AA, AAA, C, D): Open the test arm at the top, insert the battery with correct polarity Package Includes: 1 × Battery Tester (no batteries included) Note: Slight variations in appearance or printed text may occur between batches but do not affect functionality Note: Color representation may vary slightly due to screen settings and lighting conditions Measurement tolerance: ±1–3 mm